[Feature]: Add Stable Horde, discord.rocks and open router support

[tukangcode]

前置阅读 | Pre-reading

• [X] Issues
• [X] README

服务类型 | Service Type

Official hosted service

系统信息 | System Information

Windows

Office 版本 | Office Version

office 2019 retail

功能请求 | Feature request

can add support for

• aihorde
• https://api.discord.rocks/
• OpenRouter thanks

[Kuingsmile]

will try

[tukangcode]

thanks